HTML onsubmit event attribute
Example
Execute a JavaScript when the form is submitted:
<form action="demo_form.asp" onsubmit="checkForm()">
Browser support
| IE | Firefox | Chrome | Safari | Opera |
|---|---|---|---|---|
All major browsers support the onsubmit attribute.
Definition and usage
The onsubmit attribute triggers when a form is submitted.
The onsubmit attribute is only used in <form>.
Differences between HTML 4.01 and HTML5
None.
Syntax
<form onsubmit="script">
Attribute value
| Value | Description |
|---|---|
| script | Script that runs when onsubmit occurs. |
